/* ============================================
   YELKENDERSİ.COM — Design System Tokens
   Antigravity UI/UX & Development
   ============================================ */

:root {
  /* ─── Core Color Palette ─── */
  --midnight-navy: #08101E;
  --deep-navy: #0D1B2A;
  --charcoal: #1A1F2E;
  --slate: #243044;

  --cream: #F0EDE6;
  --cream-muted: #A8A49D;
  --cream-subtle: #5C5850;

  --gold-brush: #C9A96E;
  --gold-light: #E8C98A;
  --gold-dark: #8A6D3E;
  --gold-glow: rgba(201, 169, 110, 0.25);
  --gold-glow-strong: rgba(201, 169, 110, 0.45);

  --white-pure: #FFFFFF;
  --error: #E05252;
  --success: #4CAF7D;

  /* ─── Glassmorphism ─── */
  --glass-surface: rgba(255, 255, 255, 0.04);
  --glass-surface-md: rgba(255, 255, 255, 0.07);
  --glass-surface-strong: rgba(13, 27, 42, 0.75);
  --glass-border: rgba(201, 169, 110, 0.18);
  --glass-border-hover: rgba(201, 169, 110, 0.4);
  --glass-blur: blur(18px);
  --glass-blur-sm: blur(10px);

  /* ─── Gradients ─── */
  --gradient-gold: linear-gradient(135deg, #E8C98A 0%, #C9A96E 50%, #8A6D3E 100%);
  --gradient-navy: linear-gradient(180deg, #08101E 0%, #0D1B2A 100%);
  --gradient-hero-overlay: linear-gradient(180deg,
    rgba(8,16,30,0.15) 0%,
    rgba(8,16,30,0.45) 40%,
    rgba(8,16,30,0.92) 100%);
  --gradient-pillar-overlay: linear-gradient(180deg,
    rgba(8,16,30,0.3) 0%,
    rgba(8,16,30,0.65) 100%);
  --gradient-pillar-hover: linear-gradient(180deg,
    rgba(8,16,30,0.05) 0%,
    rgba(8,16,30,0.45) 100%);
  --gradient-dark-fade: linear-gradient(180deg,
    transparent 0%,
    var(--midnight-navy) 100%);

  /* ─── Typography ─── */
  --font-display: 'Cormorant Garamond', serif;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --text-hero: clamp(3rem, 7vw, 6.5rem);
  --text-display: clamp(2.5rem, 5vw, 4.5rem);
  --text-h1: clamp(2rem, 4vw, 3.5rem);
  --text-h2: clamp(1.6rem, 3vw, 2.5rem);
  --text-h3: clamp(1.3rem, 2vw, 1.75rem);
  --text-lg: 1.125rem;
  --text-base: 1rem;
  --text-sm: 0.875rem;
  --text-xs: 0.75rem;

  /* ─── Spacing ─── */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ─── Border Radius ─── */
  --radius-xs: 0.25rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* ─── Shadows ─── */
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.25);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.45);
  --shadow-gold: 0 0 20px rgba(201,169,110,0.3);
  --shadow-gold-strong: 0 0 40px rgba(201,169,110,0.5);

  /* ─── Transitions ─── */
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-base: 0.4s var(--ease-smooth);
  --transition-slow: 0.7s var(--ease-smooth);

  /* ─── Z-index Scale ─── */
  --z-below: -1;
  --z-base: 1;
  --z-above: 10;
  --z-sticky: 50;
  --z-nav: 100;
  --z-modal-backdrop: 200;
  --z-modal: 210;
  --z-toast: 300;

  /* ─── Layout ─── */
  --container-max: 1320px;
  --container-wide: 1600px;
  --nav-height: 80px;
  --section-padding-y: clamp(4rem, 8vw, 8rem);
}